Mid-October is the season for naming Nobel laureates, but it is also a propitious time for scientists to reveal discoveries that may win future Nobels. Last week, even as this year's Nobel winners were reacting to their awards, two teams of physicists made just such a landmark announcement. In rival statements -- one from the Stanford Linear Accelerator Center in California, the other from the European Organization for Nuclear Research (CERN) in Geneva -- scientists disclosed findings they say establishes beyond a reasonable doubt that the universe contains precisely three fundamental types, or families, of matter. No more, no less.
No,...